One FULL LESSON on finding the area of a triangle using 1/2absinC.
Dependent on ability, this lesson could be split into two full lessons.
Contents of download:
- Clicker version: Normal PowerPoint lesson with which you can use a clicker / mouse / keyboard to continue animations and show solutions.
- Worksheets (including example and extension).
We are learning about: The area of a triangle
We are learning to: Calculate the area of a scalene triangle.
Differentiated objectives:
- Developing learners will be able to calculate the area of a scalene triangle.
- Secure learners will be able to find a missing length or angle in a scalene triangle given its area.
- Excelling learners will be able to solve unfamiliar problems using the formula for the area of a scalene triangle.
Main: Walkthrough examples followed by practice questions on worksheets. Starts with basic calculating the area moving on to finding a missing side and angle. All solutions given on PPT.
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Excellent PPT. Thank you!
Excellent - clear guidance for students and varied enough to check understanding and progress over the course of the lesson
Excellent resource<br />
Thank you - another outstanding resource!
Love the proof at the beginning. Thank you so much.
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